Document Type and Number:
Japanese Patent JPS507292
Kind Code:
A
Application Number:
JP5750973A
Publication Date:
January 24, 1975
Filing Date:
May 23, 1973
Export Citation:
International Classes:
B63H21/21; B63B43/00; F16F15/02; F16F15/26; B63H21/30; (IPC1-7): B63H21/30
Next Patent: JPS507293